Home / 85,908.25-118,605.23-56,152.09

Finding the Fourth Proportional to 85,908.25, 118,605.23 and 56,152.09

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Solution

The fourth proportional to 85,908.25, 118,605.23 and 56,152.09 is: 77,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,908.25 : 118,605.23 = 56,152.09 : x
  2. Step 2: Convert to fraction form
    85,908.25/118,605.23 = 56,152.09/x
  3. Step 3: Cross multiply
    85,908.25x = 118,605.23 × 56,152.09
  4. Step 4: Simplify right side
    85,908.25x = 6,659,931,549.43
  5. Step 5: Solve for x
    x = 6,659,931,549.43/85,908.25
  6. Step 6: Final answer
    x = 77,523.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.